diff --git a/package.json b/package.json
index f2237b9..2f1991a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "download": "https://github.com/Ferie/cssCollapse/archive/master.zip",
     "engines": {
         "node": "6.17.1",
-        "npm": "3.10.10"
+        "npm": "6.14.8"
     },
     "scripts": {
         "build": "gulp",